pest photo

Chris Evans, River to River CWMA,
Common buckthorn
Rhamnus cathartica

Common buckthorn (Rhamnus cathartica) is an invasive plant. It is a native of Eurasia and was first detected in Indiana in 2002.

Common buckthorn is a shrub or small tree that can grow to 22 feet in height and have a trunk up to 10 inches wide. Buckthorns tend to form dense, even-aged thickets, crowding and shading out native shrubs and herbs, often completely obliterating them.
Summaries of State Plant Protection Laws and Regulations
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